Java Data Structures courses can help you learn about arrays, linked lists, stacks, queues, and hash tables. You can build skills in algorithm efficiency, data manipulation, and implementing search and sort techniques. Many courses introduce tools like Eclipse or IntelliJ IDEA, which support coding practices and debugging, allowing you to apply your knowledge in real coding environments. You'll also explore concepts such as recursion and tree structures, enhancing your ability to tackle complex programming challenges.

Cisco Learning and Certifications
Skills you'll gain: Postman API Platform, Restful API, Authentications, Application Programming Interface (API), JSON, Extensible Markup Language (XML), YAML, Network Monitoring, Automation, Network Engineering, Python Programming
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Product Demonstration, Web Content, Video Production, Presentations, Marketing Materials, Graphic Design, Data Visualization, Content Creation, Company, Product, and Service Knowledge, Web Design, Team Oriented, Storytelling, Content Marketing
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Load Balancing, ASP.NET, Test Driven Development (TDD), Debugging, C# (Programming Language), Software Testing, Scalability, Performance Testing, Restful API, Unit Testing, Microservices, .NET Framework, Object-Relational Mapping, Software Architecture, Web Applications, User Accounts, Single Sign-On (SSO), Object Oriented Design, Distributed Computing, Redis
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Email Automation, Google Workspace, Google Sheets, Stakeholder Communications, Communication Planning, Google Docs, Scripting, Google App Engine, Collaborative Software, Timelines, Project Schedules, Project Management, Web Applications, Javascript, Data Validation
Intermediate · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Emerging Technologies, Internet Of Things, Network Security, Wireless Networks, Cybersecurity, Telecommunications, Technology Roadmaps, Technology Strategies, Automation, Real Time Data
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Lead Generation, Email Automation, No-Code Development, Google Sheets, Application Deployment, Real Time Data, Customer Communications Management
Beginner · Guided Project · Less Than 2 Hours
University of Illinois Urbana-Champaign
Skills you'll gain: New Product Development, Product Development, Design Thinking, Market Research, Quantitative Research, Product Management, Customer Insights, Consumer Behaviour, Market Analysis, Target Market, Forecasting, Innovation, Needs Assessment, Analysis, Data Collection, Technology Solutions
Mixed · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Prompt Engineering, Generative AI Agents, Tool Calling, User Interface (UI), LLM Application, Agentic systems, User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, Human Computer Interaction, OpenAI, Artificial Intelligence
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data Import/Export, Scripting, R Programming, Data Processing, Statistical Programming, Data Structures
Beginner · Guided Project · Less Than 2 Hours

Queen Mary University of London
Skills you'll gain: Proposal Development, Market Research, Data Collection, Research Design, Research Reports, Research Methodologies, Surveys, Research, Market Analysis, Qualitative Research, Data Analysis, Business Reporting, Business Ethics
Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: ISO 9000 Series, Food Quality Assurance And Control, Food and Beverage, Production Process, Quality Assurance and Control, Quality Assessment, Quality Management, Hazard Analysis, Standard Operating Procedure, Statistical Process Controls, Water Quality, Microbiology, Chemistry, Process Control, Cost Control, Laboratory Testing, Manufacturing Processes, Descriptive Statistics, Analytical Chemistry, Product Testing
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: AI Personalization, Marketing Strategies, Email Marketing, Growth Strategies, Marketing Automation, MarTech, Marketing Analytics, Customer Engagement, Lead Generation, Customer experience improvement, Customer Retention, Business Ethics
Beginner · Course · 1 - 4 Weeks